Assumption Stress Tester

4 adversarial personas · Simultaneous feedback
Entrepreneurship · Design Thinking

Every startup assumption is a bet. This tool stress-tests your bets before reality does — simultaneously, from four adversarial perspectives.

Context (optional)
Add an assumption
Assumptions to test (0)
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Personas
Market Skeptic Is the market real?
Devil's Advocate What's the fatal flaw?
Cynical Customer Why wouldn't I buy this?
Startup Coach What should you test first?

Feedback

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Add assumptions, pick your personas, and run the stress test.